Easy Bibim Guksu (Korean Cold Kimchi Noodles)
Chewy Korean cold noodles tossed with kimchi, crisp vegetables, and a spicy-sweet gochujang sauce. This easy bibim guksu comes together in about 20 minutes and makes a refreshing lunch, light dinner, or quick summer meal when it’s too hot to cook.
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Growing up in Korea, bibim guksu (비빔êµìˆ˜) was one of those meals that appeared on the table when the summer heat became unbearable and everyone wanted food fast. There was always a jar of well-fermented kimchi in the fridge and a bundle of somyeon noodles tucked away in the pantry, so lunch could come together with very little effort.
My siblings and I could finish a bowl in record time. The combination of chewy noodles, spicy sauce, and tangy kimchi was impossible to resist.
What I still appreciate about bibim guksu today is how practical it is. It doesn’t require a long-simmered broth or a trip to a specialty market.
A handful of everyday Korean pantry ingredients transforms into a refreshing meal that feels especially satisfying on a hot day. It’s simple, budget-friendly, and proof that some of the best Korean dishes are often the least complicated.
Why Kimchi Belongs in Bibim Guksu
Many bibim guksu recipes use only gochujang, vinegar, and sugar for the sauce. I like adding well-fermented kimchi because it brings a deeper tangy flavor and a pleasant crunch that makes the noodles more interesting.
If your kimchi is especially sour, stir a spoonful of the kimchi juice into the sauce. It’s a simple trick that adds extra depth and gives bibim guksu the bright, refreshing flavor I grew up enjoying in Korea.
Bibim Guksu vs Bibim Naengmyeon
Both dishes are spicy Korean cold noodles, but the noodles are different. Bibim guksu uses thin wheat noodles (somyeon), while bibim naengmyeon uses chewy starch or buckwheat noodles. I find bibim guksu lighter, quicker, and easier to make at home, which is why it appears so often on my summer table.
Key Ingredients
Noodles (Somyeon)
Somyeon (소면) is the traditional noodle for bibim guksu. These thin wheat noodles have a light texture that works especially well with spicy sauces and fresh vegetables. While buckwheat noodles are commonly used for dishes like makguksu, I find somyeon gives bibim guksu its signature balance of chewiness and lightness.
If you enjoy cold noodle recipes, you might also like my kongguksu (cold soy milk noodle soup) using somyeon or mul-naengmyeon during the summer months.
Spicy Gochujang Sauce
A good bibim guksu sauce should taste spicy, tangy, and slightly sweet. Gochujang provides the foundation, while rice vinegar, sesame oil, and a touch of sweetness create balance. I like adding maesil-cheong (Korean plum syrup) because it rounds out the flavor without making the sauce overly sweet.
Kimchi and Toppings
For texture and freshness, I like pairing the noodles with cucumber, lettuce, and perilla leaves along with kimchi. The cool, crisp vegetables balance the spicy sauce and make the dish feel especially refreshing on a hot day.
A soft-boiled egg is my favorite finishing touch. The creamy yolk softens the heat slightly and adds richness without overwhelming the light, refreshing character of bibim guksu.
How to make Bibim Guksu
These step-by-step photos are here to guide you visually through the recipe. For exact measurements and full instructions, scroll down to the printable recipe card below.
Mix the Sauce. The sauce should taste slightly stronger than you expect at this stage. Once it’s tossed with the noodles, the flavors become more balanced.
Cook and Chill the Noodles. After boiling, rinse the noodles thoroughly under very cold running water, then give them a quick soak in ice water. This simple step removes excess starch and gives the noodles the pleasantly chewy texture Korean cold noodle dishes are known for.
Toss and Serve Immediately. Once the noodles are coated with the sauce, add the toppings and serve immediately. Bibim guksu is at its best when the noodles are cold, the vegetables are crisp, and the sauce is freshly mixed.
Just a note: I also like crushing toasted sesame seeds instead of sprinkling them on whole. It releases more aroma and gives the sauce a richer nutty flavor.
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Easy Bibim Guksu (Korean Cold Kimchi Noodles)
Recipe Video
Ingredients
- 8 oz (225 g) thin wheat noodles (somyeon)
- 1/2 cup (120 ml) chopped kimchi
- 2 lettuce leaves, shredded
- 1/2 English cucumber, sliced into thin strips
- 2 perilla leaves (kkaennip), sliced, optional
- 1 hard or soft boiled egg, sliced in half (Omit it for vegan diet)
- 1 tbsp (9 g) toasted sesame seeds, crushed
Bibim sauce
- 2 tbsp (34 g) Korean chili paste (gochujang)
- 1 tbsp (7 g) Korean chili flakes (gochugaru)
- 1/2 tbsp (7 ml) soy sauce
- 1 tbsp (15 ml) rice vinegar, or white vinegar
- 1 tbsp (12 g) sugar
- 1 tbsp (15 ml) sesame oil
- 1 tbsp (15 ml) Korean plum extract (maeshil-cheong), optional
Instructions
- To make the bibim sauce, combine all the sauce ingredients in a bowl and mix well. Set aside. Crush the toasted sesame seeds in a mortar until coarsely ground. Set aside.
- Bring a pot of water to a boil. Add the noodles and cook according to the package directions. To make the noodles chewier, add some cold water when the water comes to a full boil. Repeat this process 2-3 more times whenever the water returns to a boil.
- Drain the noodles in a colander and rinse under cold running water while tossing the noodles around. This helps to cool down the noodles and makes them chewier. Drain the noodles thoroughly.
- Put the cold noodles in a mixing bowl and add the bibim sauce. Toss the noodles with your hands or kitchen tongs until they are evenly coated.
- Divide the noodles into individual serving bowls. Top with your desired toppings, such as chopped kimchi, sliced lettuce, cucumber, shredded cabbage, perilla leaves, and a hard boiled egg. Sprinkle the crushed toasted sesame seeds on top and serve immediately.
Notes
- If your kimchi is especially sour, a spoonful of Korean plum extract (maesil-cheong) can balance it out beautifully.
- Serving for a crowd? Keep the noodles and toppings separate until ready to eat—this helps preserve texture.
- Lightly crush your toasted sesame seeds in a mortar for better aroma and flavor than whole seeds.
I made this for a quick and easy dinner today – absolutely love this recipe!! It has the perfect amount of heat and is just delicious. I will definitely be making this again 😀
Thanks so much!!
Glad that you loved this guksu. Thank you for the comment!
This recipe is delicious and perfect for hot and humid summer days. Because you only need to boil water (I use an electric kettle), it doesn’t heat up your house when cooking. It’s spicy and flavorful, but also refreshing and savory. I have doubled and quadrupled the recipe with no issue – saving in the fridge seems to make the sauce sink into the noodles even more.
Fabulous noodles, delicious spicy sauce.
My favourite noodles to enjoy when it starts to get warm out! Looks incredibly flavorful!